Unauthenticated Denial-of-Service (DoS) Vulnerability in the PAPI Protocol of AOS-8

published 2026-10-22 20d ago modified 2026-10-26 16d ago also EUVD-2026-108394

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

An unauthenticated Denial-of-Service (DoS) vulnerability exists in the PAPI protocol of AOS-8. Successful exploitation of this vulnerability results in the ability to disrupt the availability of the affected interface.

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 19d ago (2026-10-23)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Hewlett Packard Enterprise (HPE) ArubaOS (AOS)

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLocale=en_US

Sources

CVE List CVE-2026-79894
NVD CVE-2026-79894

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